In traditional cameras the focal plane was a piece of film; modern ones use arrays of digital sensors.
在传统相机上以胶卷作为焦平面；现代相机使用数字传感器列阵的方式。
2
On the plane I saw a film and had a good meal.
在飞机上我看了场电影，吃了一顿可口的饭。
3
I am not certain I would have found the courage to have defied my father - who, when faced with my certainty ended up offering to pay for my plane ticket - were it not for having seen the film.